Question

por favor ayúdenme ​

Answer 1

Respuesta:

A = {4, 5, 6, 7}

B = {2, 3, 4}

C = {7, 8}

D = {7, 8, 9}

            (A ∪ B) - (C ∩ D)

(2, 3, 4, 5, 6, 7) - (7, 8)

        (2, 3, 4, 5, 6)